CN211993698U - Plastic granulating equipment - Google Patents

Abstract

The utility model discloses a plastics granulation equipment, comprising a base plate, crowded strip structure, cooling structure, transport structure and granulation structure, the upper end right side symmetry of bottom plate is equipped with the base, the upper end of base is equipped with crowded strip section of thick bamboo, the upper end left side of bottom plate is equipped with the riser, be equipped with evenly distributed's gib hole on the wall body of riser, crowded strip structure sets up on the outer arc wall of crowded strip section of thick bamboo, and with the inner chamber sliding connection of crowded strip section of thick bamboo, cooling structure sets up in the upper end middle part of bottom plate, transport structure evenly sets up on the right wall of riser, and coincide with the gib hole that corresponds and set up, granulation structure sets up in the upper end of riser, and correspond the setting with the gib hole: the plastic granulating equipment has the advantages that the plastic granulating equipment further comprises a control switch group and a liquid injection pipe, the control switch group is arranged on the left side of the upper end of the bottom plate, complete operation of extruding, cooling, conveying and rotary cutting granulation of glue solution is formed, the plastic granulating quality is guaranteed, and the production requirements are met.

Description

Plastic granulating equipment

Technical Field

The utility model relates to a plastics processing production facility technical field specifically is a plastics granulation equipment.

Background

The plastic is a high molecular compound polymerized by addition polymerization or polycondensation reaction and has moderate deformation resistance between fiber and rubber and consists of synthetic resin, filler, plasticizer, stabilizer, lubricant, pigment and other additives, and the plastic granulation is one of the important steps in plastic mechanical processing and is one of the important steps in plastic recovery and reuse The complete operation of cooling, conveying and rotary cutting granulation, the plastic granulation quality is difficult to be ensured, and the production requirement can not be met, so that the realization of the plastic granulation equipment capable of solving the problems is imperative.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a plastics granulation equipment, form one set of glue solution crowded strip, cooling, carry and the complete operation of rotatory cutting granulation, guaranteed plastics granulation quality, satisfied the production demand, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic granulation device comprises a bottom plate, a strip extrusion structure, a cooling structure, a conveying structure and a granulation structure;

a bottom plate: the right side of the upper end of the bottom plate is symmetrically provided with a base, the upper end of the base is provided with a strip extruding cylinder, the left side of the upper end of the bottom plate is provided with a vertical plate, and the wall body of the vertical plate is provided with uniformly distributed strip guide holes;

extruding a strip structure: the extrusion structure is arranged on the outer arc wall of the extrusion cylinder and is in sliding connection with the inner cavity of the extrusion cylinder;

the cooling structure is as follows: the cooling structure is arranged in the middle of the upper end of the bottom plate;

the conveying structure comprises: the conveying structures are uniformly arranged on the right wall of the vertical plate and are matched with the corresponding guide bar holes;

granulation structure: the granulation structure is arranged at the upper end of the vertical plate and corresponds to the guide bar hole;

wherein: still include control switch group and annotate the liquid pipe, control switch group sets up the upper end left side of arranging the bottom plate in, it sets up in the outer arc wall of a crowded section of thick bamboo and annotates material mouthful department to annotate the liquid pipe, external power source is connected to control switch group's input electricity, realize the crowded operation of plastic in quick coherent ground, the follow-up plastics granulation of being convenient for, the plastic strip can be fast fully cooled down the cooling, and guarantee that cold water injection and hot water discharge are moderate balance, can carry the plastic strip with suitable roll extrusion degree, personnel's both hands have been liberated, the work burden has been lightened, can be to the rotatory cutting granulation of the plastic strip of wearing out part, thereby form one set of crowded glue solution strip, the cooling, carry and the complete operation of rotatory cutting granulation, plastic granulation quality has been guaranteed.

Further, the extrusion structure comprises a groove plate, a lead screw, a push-pull frame, a push plate, a motor and an extrusion opening, the groove plate is arranged at the upper end of the outer arc wall of the extrusion barrel, the left end and the right end of the lead screw are rotatably connected with the inner wall of the groove plate through bearings, the upper end plate body of the push-pull frame is in threaded connection with the lead screw, sliding blocks on two sides of the upper end plate body of the push-pull frame are in sliding connection with a sliding groove in the inner wall of the groove plate, the push plate is in sliding connection with an inner cavity of the extrusion barrel, the right wall of the push plate is fixedly connected with the lower end of the push-pull frame, the motor is arranged on the left wall of the groove plate, an output shaft of the motor is fixedly connected with the left end of the lead screw through a coupler, the extrusion opening is uniformly.

Further, cooling structure includes cold water groove, compression leg, water injection pipe and drain pipe, the cold water groove sets up in the upper end middle part of bottom plate, and the compression leg evenly sets up in the inside of cold water groove, and the water injection pipe sets up in the back wall upper end water filling opening department of cold water groove, and the drain pipe sets up in the back wall lower extreme drain opening department of cold water groove, realizes high-efficient thorough cooling.

Further, the conveying structure comprises frame plates, driving motors, driving groove conveying wheels, wire columns, wheel carriers and driven groove conveying wheels, the frame plates are uniformly arranged on the right wall of the vertical plate and are matched with corresponding guide bar holes, the driving motors are arranged on the rear walls of the corresponding frame plates, output shafts of the driving motors are rotatably connected with the rear walls of the corresponding frame plates through bearings, rear-end rotating shafts of the driving groove conveying wheels are fixedly connected with output shafts of the driving motors through couplers, the wire columns are in threaded connection with the upper walls of the corresponding frame plates, the bottom ends of the wire columns extend into the corresponding frame plates and are rotatably connected with the upper walls of the wheel carriers through bearings, sliding blocks on the side walls of the wheel carriers are slidably connected with corresponding inner wall chutes of the frame plates, rotating shafts on two side walls of the driven groove conveying wheels are rotatably connected with corresponding inner walls of the wheel carriers through bearings, and the driving groove conveying wheels and the driven groove conveying wheels are correspondingly arranged, the input end of the driving motor is electrically connected with the output end of the control switch group, so that proper rolling conveying is realized.

Furthermore, granulation structure includes extension board, driving motor and rotary cutter, the extension board sets up in the upper end of riser, and driving motor sets up in the upper end of extension board, and rotary cutter sets up in driving motor's output shaft left end, and rotary cutter corresponds the setting with the conducting bar hole, and driving motor's input electricity connection control switch group's output realizes the rotary cutting granulation fast high-efficiently.

Compared with the prior art, the beneficial effects of the utility model are that: the plastic granulating device has the following advantages:

1. connecting a pipeline of external injection molding material solution with a liquid injection pipe, injecting proper amount of high-temperature molten plastic solution into a strip extrusion cylinder, then disconnecting the conveying, regulating and controlling through a control switch group, operating a motor, rotating an output shaft, wherein the left end and the right end of the screw rod are rotationally connected with the inner wall of a groove plate through a bearing because the output shaft of the motor is fixedly connected with the left end of the screw rod through a coupler, an upper end plate body of a push-pull frame is in threaded connection with the screw rod, sliding blocks at two sides of the upper end plate body of the push-pull frame are in sliding connection with the inner wall sliding groove of the groove plate, a push plate is in sliding connection with the inner cavity of the strip extrusion cylinder to realize the left movement of the push-pull frame, further driving the push plate to slide and extrude the plastic solution in the strip extrusion cylinder, the plastic solution is slowly extruded through a uniformly distributed strip extrusion opening shape, when an extrusion block is finished, the motor rotates reversely, the push plate is, repeating the above operations, continuing to perform the extrusion operation, and pausing the operation of each structure when the plastic glue solution is injected again, so as to realize the plastic extrusion operation rapidly and continuously and facilitate the subsequent plastic granulation.

2. The bar plastic strip that extrudes passes through the cold water in the cold water groove, and pass through evenly distributed's compression leg bottom, avoid tensile excessive drawing out from the surface of water and fail in time fully cooling, the plastic strip is through the abundant heat exchange cooling of the cold water in the cold water groove, at the heat transfer in-process, can link to each other outside cold water pipeline and water injection pipe, outside moisture collection pipeline links to each other with the drain pipe, realize that cold water injection and hot water discharge moderate degree are balanced, realize quick abundant cooling, and guarantee that cold water injection and hot water discharge moderate degree are balanced.

3. The ends of the plastic strips respectively pass through the corresponding driving groove conveying wheels and penetrate out of the corresponding guide strip holes, the wire columns are rotated, the wire columns are in threaded connection with the upper walls of the corresponding frame plates, the bottom ends of the wire columns extend into the corresponding frame plates and are in rotary connection with the upper walls of the wheel carriers through bearings, the sliding blocks on the side walls of the wheel carriers are in sliding connection with the sliding grooves on the inner walls of the corresponding frame plates, the wheel carriers and the driven groove conveying wheels move downwards, the proper distance between the driven groove conveying wheels and the driving groove conveying wheels is further adjusted, the suitability of rolling conveying is ensured, meanwhile, the plastic strips are convenient to penetrate in, rotating shafts on the two side walls of the driven groove conveying wheels are in rotary connection with the corresponding inner walls of the wheel carriers through bearings, the driving groove conveying wheels and the driven groove conveying wheels are correspondingly arranged, and the driving motor runs through the control of a control switch group, and the, under driven recess delivery wheel roll limiting displacement, realize stably carrying the plastic strip that corresponds, the plastic strip of transport passes the conducting bar hole that corresponds, can carry the plastic strip with suitable roll extrusion degree, has liberated personnel's both hands, has alleviateed work burden.

4. Through control switch group regulation and control, driving motor operates on the extension board, and the output shaft rotates and drives rotary cutter rotatory, to the rotatory cutting of the plastic strip of wearing out part, and then realize plastics granulation operation to form one set of crowded strip of glue solution, cooling, carry and the complete operation of rotary cutting granulation, alleviateed personnel's work burden, guaranteed plastics granulation quality, satisfied the production demand.

Drawings

FIG. 1 is a schematic view of the internal cross-sectional plane structure of the present invention;

fig. 2 is the schematic view of the internal sectional plane structure of the conveying structure of the present invention.

In the figure: the device comprises a base plate 1, a base 2, a strip extruding barrel 3, a strip extruding structure 4, a groove plate 41, a lead screw 42, a push-pull frame 43, a push plate 44, a motor 45, a strip extruding opening 46, a cooling structure 5, a cold water tank 51, a compression column 52, a water injection pipe 53, a water discharge pipe 54, a vertical plate 6, a guide strip hole 7, a conveying structure 8, a frame plate 81, a driving motor 82, a driving groove conveying wheel 83, a wire column 84, a wheel frame 85, a driven groove conveying wheel 86, a granulation structure 9, a support plate 91, a driving motor 92, a rotary cutter 93, a control switch group 10 and a liquid injection pipe 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a plastic granulation device comprises a bottom plate 1, a strip extruding structure 4, a cooling structure 5, a conveying structure 8 and a granulation structure 9;

bottom plate 1: the bottom plate 1 provides a supporting and placing place, the bases 2 are symmetrically arranged on the right side of the upper end of the bottom plate 1, the bases 2 provide bottom support, the upper end of the base 2 is provided with the strip extruding cylinder 3, the strip extruding cylinder 3 provides a strip extruding place, the vertical plate 6 is arranged on the left side of the upper end of the bottom plate 1, the vertical plate 6 provides a supporting and installing place, the wall body of the vertical plate 6 is provided with uniformly distributed guide strip holes 7, and the guide strip holes 7 realize strip division and guide output of plastic strips;

extruding the strip structure 4: the extruding structure 4 is arranged on the outer arc wall of the extruding cylinder 3 and is in sliding connection with the inner cavity of the extruding cylinder 3, the extruding structure 4 comprises a groove plate 41, a screw rod 42, a push-pull frame 43, a push plate 44, a motor 45 and an extruding opening 46, the groove plate 41 is arranged at the upper end of the outer arc wall of the extruding cylinder 3, the left end and the right end of the screw rod 42 are in rotating connection with the inner wall of the groove plate 41 through bearings, the upper end plate body of the push-pull frame 43 is in threaded connection with the screw rod 42, the sliding blocks at the two sides of the upper end plate body of the push-pull frame 43 are in sliding connection with the inner wall sliding groove of the groove plate 41, the push plate 44 is in sliding connection with the inner cavity of the extruding cylinder 3, the right wall of the push plate 44 is fixedly connected with the lower end of the push-pull frame 43, the motor 45 is arranged on the left wall of the groove plate 41, the output shaft of the motor 45 is, because the output shaft of the motor 45 is fixedly connected with the left end of the screw rod 42 through a coupler, the left end and the right end of the screw rod 42 are rotatably connected with the inner wall of the groove plate 41 through bearings, the upper end plate body of the push-pull frame 43 is in threaded connection with the screw rod 42, the sliding blocks on the two sides of the upper end plate body of the push-pull frame 43 are in sliding connection with the inner wall sliding groove of the groove plate 41, the push plate 44 is in sliding connection with the inner cavity of the extrusion barrel 3, the left movement of the push-pull frame 43 is realized, the push plate 44 is driven to slide and extrude the plastic solution in the extrusion barrel 3, the plastic solution is slowly extruded in a;

the cooling structure 5: the cooling structure 5 is arranged in the middle of the upper end of the bottom plate 1, the cooling structure 5 comprises a cold water tank 51, compression columns 52, a water injection pipe 53 and a water discharge pipe 54, the cold water tank 51 is arranged in the middle of the upper end of the bottom plate 1, the compression columns 52 are uniformly arranged in the cold water tank 51, the water injection pipe 53 is arranged at a water injection port at the upper end of the rear wall of the cold water tank 51, the water discharge pipe 54 is arranged at a water discharge port at the lower end of the rear wall of the cold water tank 51, extruded strip-shaped plastic strips pass through cold water in the cold water tank 51 and pass through the bottoms of the compression columns 52 which are uniformly distributed, the situation that the plastic strips are excessively stretched and cannot be sufficiently cooled in time after being pulled out from the water surface is avoided, the plastic strips are sufficiently cooled through cold water in the cold water tank 51 by heat exchange, the external cold water pipeline can;

the conveying structure 8: the conveying structures 8 are uniformly arranged on the right wall of the vertical plate 6 and are matched with the corresponding guide bar holes 7, each conveying structure 8 comprises a frame plate 81, a driving motor 82, a driving groove conveying wheel 83, a wire column 84, a wheel frame 85 and a driven groove conveying wheel 86, the frame plates 81 are uniformly arranged on the right wall of the vertical plate 6 and are matched with the corresponding guide bar holes 7, the driving motors 82 are arranged on the back walls of the corresponding frame plates 81, the output shafts of the driving motors 82 are rotatably connected with the back walls of the corresponding frame plates 81 through bearings, the rear end rotating shafts of the driving groove conveying wheels 83 are fixedly connected with the output shafts of the driving motors 82 through couplers, the wire columns 84 are in threaded connection with the upper walls of the corresponding frame plates 81, the bottom ends of the wire columns 84 extend into the corresponding frame plates 81 and are rotatably connected with the upper walls of the wheel frames 85 through bearings, sliding blocks on the side walls of the wheel frames 85 are in sliding connection with the corresponding inner wall sliding grooves of the, the rotating shafts of two side walls of the driven groove conveying wheel 86 are rotatably connected with the inner wall of the corresponding wheel frame 85 through bearings, the driving groove conveying wheel 83 and the driven groove conveying wheel 86 are correspondingly arranged, the ends of the plastic strips respectively pass through the corresponding driving groove conveying wheel 83 and penetrate out of the corresponding guide strip holes 7, the wire posts 84 are rotated, as the wire posts 84 are in threaded connection with the upper wall of the corresponding frame plate 81, the bottom ends of the wire posts 84 extend into the corresponding frame plate 81 and are rotatably connected with the upper wall of the wheel frame 85 through bearings, the sliding blocks of the side walls of the wheel frame 85 are in sliding connection with the sliding grooves of the inner wall of the corresponding frame plate 81, the wheel frame 85 and the driven groove conveying wheel 86 move downwards, further the distance between the driven groove conveying wheel 86 and the driving groove conveying wheel 83 is adjusted, the suitability of rolling conveying is ensured, meanwhile, the plastic strips are convenient to penetrate in, as the rotating shafts of the two side walls of the driven groove conveying wheel 86 are rotatably connected with, the driving groove conveying wheel 83 and the driven groove conveying wheel 86 are correspondingly arranged, the driving motor 82 runs, the output shaft rotates to drive the driving groove conveying wheel 83 to rotate, and the plastic strips are stably conveyed under the rolling limiting effect of the driven groove conveying wheel 86;

granulation structure 9: the granulating structure 9 is arranged at the upper end of the vertical plate 6 and is arranged corresponding to the guide bar hole 7, the granulating structure 9 comprises a support plate 91, a driving motor 92 and a rotary cutter 93, the support plate 91 is arranged at the upper end of the vertical plate 6, the driving motor 92 is arranged at the upper end of the support plate 91, the rotary cutter 93 is arranged at the left end of an output shaft of the driving motor 92, the rotary cutter 93 is arranged corresponding to the guide bar hole 7, the driving motor 92 on the support plate 91 runs, the output shaft rotates to drive the rotary cutter 93 to rotate, and the penetrating part of the plastic bars are cut in a rotating mode, so that plastic granulating operation is achieved;

wherein: still include control switch group 10 and annotate liquid pipe 11, control switch group 10 regulates and control the normal operating of each structure, annotate liquid pipe 11 and be convenient for annotate the material with the butt joint of outside injection molding material solution pipeline, control switch group 10 sets up in the upper end left side of bottom plate 1, annotate liquid pipe 11 and set up in the outer arc wall of a barrel 3 and annotate material mouthful department, external power source is connected to control switch group 10's input electricity, the equal electric connection of input of motor 45, driving motor 82 and driving motor 92 controls switch group 10's output.

When in use: connecting a pipeline of an external injection molding material solution with an injection pipe 11, injecting a proper amount of high-temperature molten plastic solution into a strip extruding cylinder 3, then disconnecting the conveying, regulating and controlling by a control switch group 10, operating a motor 45, rotating an output shaft, wherein the output shaft of the motor 45 is fixedly connected with the left end of a screw rod 42 through a coupler, the left end and the right end of the screw rod 42 are rotatably connected with the inner wall of a groove plate 41 through bearings, an upper end plate body of a push-pull frame 43 is in threaded connection with the screw rod 42, sliding blocks on two sides of the upper end plate body of the push-pull frame 43 are in sliding connection with a sliding groove on the inner wall of the groove plate 41, a push plate 44 is in sliding connection with the inner cavity of the strip extruding cylinder 3, so as to realize the left movement of the push-pull frame 43 and further drive the push plate 44 to extrude the plastic solution in the strip extruding cylinder 3 in a sliding manner, the plastic solution, and passes through the bottom of the evenly distributed compression legs 52 to avoid the situation that the plastic strips are excessively pulled out from the water surface and cannot be sufficiently cooled in time, the plastic strips are sufficiently cooled through the heat exchange of cold water in the cold water tank 51, in the heat exchange process, an external cold water pipeline is connected with a water injection pipe 53, an external moisture collection pipeline is connected with a water discharge pipe 54 to realize the appropriate balance of cold water injection and hot water discharge, the ends of the plastic strips respectively pass through corresponding driving groove conveying wheels 83 and penetrate out from corresponding guide bar holes 7, the wire rods 84 are rotated, as the wire rods 84 are in threaded connection with the upper walls of the corresponding frame plates 81, the bottom ends of the wire rods 84 extend to the inside of the corresponding frame plates 81 and are in rotating connection with the upper walls of the wheel carriers 85 through bearings, sliding blocks on the side walls of the wheel carriers 85 are in sliding connection with corresponding inner wall sliding grooves of the frame plates 81, the wheel carriers 85 and the driven groove conveying wheels 86 move downwards, and further the proper distance between the driven, the suitability of rolling conveying is ensured, meanwhile, the plastic strips are convenient to penetrate, because the rotating shafts on the two side walls of the driven groove conveying wheel 86 are rotatably connected with the inner wall of the corresponding wheel frame 85 through bearings, the driving groove conveying wheel 83 and the driven groove conveying wheel 86 are correspondingly arranged, the driving motor 82 is operated, the output shaft rotates to drive the driving groove conveying wheel 83 to rotate, the corresponding plastic strips are stably conveyed under the rolling limiting action of the driven groove conveying wheel 86, the conveyed plastic strips penetrate through the corresponding strip guide holes 7, the driving motor 92 on the support plate 91 rotates, the output shaft rotates to drive the rotary cutter 93 to rotate, the penetrating plastic strips are rotatably cut, and then the plastic granulation operation is realized, in the plastic strip extruding process, when the extruding block is finished, the motor 45 rotates reversely, the push plate 44 is reset to the rightmost end in the extruding cylinder 3, a proper amount of high-temperature plastic glue solution is injected again through the pipeline of the external injection molding material solution, the operation is repeated, the strip extrusion operation is continued, and when the plastic glue solution is injected again, the operation of each structure is suspended, so that a set of complete operation of strip extrusion, cooling, conveying and rotary cutting granulation of the glue solution is formed, the workload of personnel is reduced, the plastic granulation is ensured, and the production requirement is met.

It should be noted that the control switch group 10 disclosed in this embodiment controls the operation of the motor 45, the driving motor 82 and the driving motor 92 by methods commonly used in the prior art, and the motor 45, the driving motor 82 and the driving motor 92 are all original components commonly used in plastic product production equipment in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A plastics granulation equipment which characterized in that: comprises a bottom plate (1), a strip extruding structure (4), a cooling structure (5), a conveying structure (8) and a granulation structure (9);

base plate (1): the right side of the upper end of the bottom plate (1) is symmetrically provided with a base (2), the upper end of the base (2) is provided with a strip extruding cylinder (3), the left side of the upper end of the bottom plate (1) is provided with a vertical plate (6), and the wall body of the vertical plate (6) is provided with strip guide holes (7) which are uniformly distributed;

extrusion structure (4): the extrusion structure (4) is arranged on the outer arc wall of the extrusion cylinder (3) and is in sliding connection with the inner cavity of the extrusion cylinder (3);

cooling structure (5): the cooling structure (5) is arranged in the middle of the upper end of the bottom plate (1);

conveying structure (8): the conveying structures (8) are uniformly arranged on the right wall of the vertical plate (6) and are matched with the corresponding guide strip holes (7);

granulation structure (9): the granulation structure (9) is arranged at the upper end of the vertical plate (6) and corresponds to the guide strip hole (7);

wherein: the automatic sliver-extruding machine is characterized by further comprising a control switch group (10) and a liquid injection pipe (11), wherein the control switch group (10) is arranged on the left side of the upper end of the bottom plate (1), the liquid injection pipe (11) is arranged at a material injection port of an outer arc wall of the sliver-extruding barrel (3), and an input end of the control switch group (10) is electrically connected with an external power supply.

2. A plastics pelletizing apparatus as claimed in claim 1, characterized in that: the extruding structure (4) comprises a groove plate (41), a screw rod (42), a push-pull frame (43), a push plate (44), a motor (45) and an extruding opening (46), the groove plate (41) is arranged at the upper end of the outer arc wall of the extruding cylinder (3), the left end and the right end of the screw rod (42) are rotatably connected with the inner wall of the groove plate (41) through bearings, an upper end plate body of the push-pull frame (43) is in threaded connection with the screw rod (42), two side sliding blocks of the upper end plate body of the push-pull frame (43) are in sliding connection with an inner wall sliding groove of the groove plate (41), the push plate (44) is in sliding connection with an inner cavity of the extruding cylinder (3), the right wall of the push plate (44) is fixedly connected with the lower end of the push-pull frame (43), the motor (45) is arranged on the left wall of the groove plate (41), an output shaft of the motor (45) is fixedly connected with the left end of the screw rod (42) through a coupler, the input end of the motor (45) is electrically connected with the output end of the control switch group (10).

3. A plastics pelletizing apparatus as claimed in claim 1, characterized in that: the cooling structure (5) comprises a cold water tank (51), a compression leg (52), a water injection pipe (53) and a drain pipe (54), wherein the cold water tank (51) is arranged in the middle of the upper end of the bottom plate (1), the compression leg (52) is uniformly arranged in the cold water tank (51), the water injection pipe (53) is arranged at a water injection port on the upper end of the rear wall of the cold water tank (51), and the drain pipe (54) is arranged at a water discharge port on the lower end of the rear wall of the cold water tank (51).

4. A plastics pelletizing apparatus as claimed in claim 1, characterized in that: the conveying structure (8) comprises frame plates (81), driving motors (82), driving groove conveying wheels (83), wire columns (84), wheel frames (85) and driven groove conveying wheels (86), wherein the frame plates (81) are uniformly arranged on the right wall of the vertical plate (6) and are matched with the corresponding guide strip holes (7), the driving motors (82) are arranged on the rear walls of the corresponding frame plates (81), the output shafts of the driving motors (82) are rotatably connected with the rear walls of the corresponding frame plates (81) through bearings, the rear end rotating shafts of the driving groove conveying wheels (83) are fixedly connected with the output shafts of the driving motors (82) through couplers, the wire columns (84) are in threaded connection with the upper walls of the corresponding frame plates (81), the bottom ends of the wire columns (84) extend into the corresponding frame plates (81) and are rotatably connected with the upper walls of the wheel frames (85) through bearings, sliding blocks on the side walls of the wheel frames (85) are in sliding connection with the corresponding sliding grooves of the frame plates (81), the rotating shafts of the two side walls of the driven groove conveying wheel (86) are rotatably connected with the inner wall of the corresponding wheel frame (85) through bearings, the driving groove conveying wheel (83) and the driven groove conveying wheel (86) are correspondingly arranged, and the input end of the driving motor (82) is electrically connected with the output end of the control switch group (10).

5. A plastics pelletizing apparatus as claimed in claim 1, characterized in that: the granulating structure (9) comprises a support plate (91), a driving motor (92) and a rotary cutter (93), the support plate (91) is arranged at the upper end of the vertical plate (6), the driving motor (92) is arranged at the upper end of the support plate (91), the rotary cutter (93) is arranged at the left end of an output shaft of the driving motor (92), the rotary cutter (93) is arranged corresponding to the guide strip hole (7), and the input end of the driving motor (92) is electrically connected with the output end of the control switch group (10).

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